package com.heima.search.service.impl;

import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.search.dtos.UserSearchDTO;
import com.heima.model.search.pojos.ApAssociateWords;
import com.heima.search.service.ApAssociateWordsService;
import org.apache.commons.lang3.StringUtils;
import org.apache.tomcat.util.net.AprEndpoint;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class ApAssociateWordsServiceImpl implements ApAssociateWordsService {

    @Autowired
    private MongoTemplate mongoTemplate;

    /**
     联想词
     @param userSearchDto
     @return
     */
    @Override
    public ResponseResult findAssociate(UserSearchDTO userSearchDto) {
//        1. 参数检查
        if (StringUtils.isBlank(userSearchDto.getSearchWords())) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }

//        2. 执行查询 模糊查询
        Query query = Query.query(Criteria.where("associateWords").regex(".*" + userSearchDto.getSearchWords() + ".*"));
        List<ApAssociateWords> associateWordsList = mongoTemplate.find(query, ApAssociateWords.class);

        return ResponseResult.okResult(associateWordsList);
    }
}
